.top{
    width:100%;
    height:50px;
    line-height: 50px;
    color:#424242;
    font-size:20px;
    text-align:center;

}

.top a{
    position:absolute;
    top:10px;
    left:10px;
    display:inline-block;
    width:30px;
    height:30px;
    background-image: url("../images/prev.png");
    background-repeat: no-repeat;
    background-size:100% 100%;
    background-position: center;
}


.content{
    width:90%;
    margin:0 auto;
    margin-top:15px;
}

.form{
    width:100%;
    height:50px;
    line-height: 50px;
    display:flex;
    justify-content: space-between;
    align-items: center;
}


.form input{
    border:0;
    height:50px;
    line-height: 50px;
    text-align:right;
    font-size:16px;
    background-color:#f6f6f6;

}

#choose1{
    font-size:16px;
}

.line{
    
    display: flex;
    flex-direction: column;
}

.line span{
    line-height:20px;
}


.btn{
    width:50%;
    margin:0 auto;
    text-align:center;
    margin-top:30px;
    
}

.btn span{
    display: inline-block;
    width:100%;
    height:50px;
    line-height:50px;
    color:#fff;
    font-size:22px;
    background: -moz-linear-gradient(left, #01a0f2 0%, #0072c8 100%);
    background: -webkit-linear-gradient(left, #01a0f2 0%,#0072c8 100%);
    background: -o-linear-gradient(left, #01a0f2 0%,#0072c8 100%);
    background: -ms-linear-gradient(left, #01a0f2 0%,#0072c8 100%);
    background: linear-gradient(to right, #01a0f2 0%,#0072c8 100%);
}

/* 弹出层 */
.none{
    display: none;
}

.tan{
    position: absolute;
    top:0;
    left:0;
    width:100vw;
    height:100vh;
    background-color:rgba(0,0,0,0.7);
    
}

.tanContent{
    position: absolute;
    top:0;
    left:0;
    bottom:0;
    right:0;
    margin:auto;
    width:50%;
    height:200px;
    background-color:#fff;
}

.tanContent div{
    width:100%;
    text-align: center;
    margin-top:10px;
    font-size:20px;
}

.small{
    height:120px;
}